在消费函数的基础上,如果消费和收入之间存在线性关系,则边际消费倾向为一个常数:C = a + bY,C代表社会总消费,Y代表总收入,a为必不可少的自发消费部分,b为边际消费倾向。线性消费函数表明,随着收入的增加,消费按固定不变的一个比例b增加,此时,消费曲线是一条向右上方倾斜的直线。
模型中的天然气消费函数分别采用多元线性模型和多元几何模型。
In the model, the function of gas consumption is respectively represented by multi variable linear model and by multi variable geometrical model.
根据扩展线性支出系统理论建立电力消费的需求函数,并对居民电力消费需求的收入弹性、价格弹性进行定量分析。
The practical case results illustrate that the linear expenditure system model is applicable for residential electricity demand analysis and forecasting.
根据扩展线性支出系统理论建立电力消费的需求函数,并对居民电力消费需求的收入弹性、价格弹性进行定量分析。
An electricity demand function is put forward according to the linear expenditure model. This paper also calculates electricity income elasticity and price elasticity.
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